Tagged: john heinricy

Morrison 1990 ZR-1 Speed Record: Aver 24-Hour 174.885-MPH! – VIDEO

Relive the historic 1990 Corvette ZR-1 endurance run where Morrison’s team averaged an astonishing 174.885 mph over 24 hours. Powered by the LT5, the C4 ZR-1 proved it could compete on the world stage, establishing Corvette as a true high-speed performance benchmark and cementing its place in modern Corvette history.

C7 Grand Sport Corvette, Best Street Vette Ever?


C7 Grand Sport Corvette, Best Street Vette Ever?

Some are describing the new Grand Sport as a “Z06 with a Stingray engine.” Chief engineer Tadge Juechter explained that the Grand Sport package is not simply a “plug’n play” with Z06 parts. While the Z06 parts work great on the new Grand Sport, the basic Stingray is unique and everything had to be calibrated. The Grand Sport has its own springs, anti-roll bars, Magnetic Ride Control, and Electronically-controlled rear differential programming. The Z06 wide-body offers plenty of extra venting and opens up the fenders for the extra-wide wheels and tires.